CA2432899C - Pitcher type water purifier and purification cartridge for the water purifier - Google Patents

Pitcher type water purifier and purification cartridge for the water purifier Download PDF

Info

Publication number
CA2432899C
CA2432899C CA002432899A CA2432899A CA2432899C CA 2432899 C CA2432899 C CA 2432899C CA 002432899 A CA002432899 A CA 002432899A CA 2432899 A CA2432899 A CA 2432899A CA 2432899 C CA2432899 C CA 2432899C
Authority
CA
Canada
Prior art keywords
purification cartridge
reservoir portion
raw water
purified water
water reservoir
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002432899A
Other languages
English (en)
French (fr)
Other versions
CA2432899A1 (en
Inventor
Manabu Yanou
Yukio Kobayashi
Yoshinori Kawai
Yuuichi Katsuura
Masanori Itou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Publication of CA2432899A1 publication Critical patent/CA2432899A1/en
Application granted granted Critical
Publication of CA2432899C publication Critical patent/CA2432899C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D63/00Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02Hollow fibre modules
    • B01D63/024Hollow fibre modules with a single potted end
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/145Ultrafiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/147Microfiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/16Feed pretreatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/18Apparatus therefor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2311/00Details relating to membrane separation process operations and control
    • B01D2311/04Specific process operations in the feed stream; Feed pretreatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2313/00Details relating to membrane modules or apparatus
    • B01D2313/24Specific pressurizing or depressurizing means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2313/00Details relating to membrane modules or apparatus
    • B01D2313/40Adsorbents within the flow path
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2313/00Details relating to membrane modules or apparatus
    • B01D2313/44Cartridge types
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/006Cartridges
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/06Pressure conditions
    • C02F2301/066Overpressure, high pressure
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00Location of water treatment or water treatment device
    • C02F2307/04Location of water treatment or water treatment device as part of a pitcher or jug

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CA002432899A 2000-12-25 2001-12-18 Pitcher type water purifier and purification cartridge for the water purifier Expired - Fee Related CA2432899C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000393108 2000-12-25
JP2000-393108 2000-12-25
PCT/JP2001/011087 WO2002051755A1 (en) 2000-12-25 2001-12-18 Pitcher type water purifier and purification cartridge for the water purifier

Publications (2)

Publication Number Publication Date
CA2432899A1 CA2432899A1 (en) 2002-07-04
CA2432899C true CA2432899C (en) 2009-07-21

Family

ID=18858981

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002432899A Expired - Fee Related CA2432899C (en) 2000-12-25 2001-12-18 Pitcher type water purifier and purification cartridge for the water purifier

Country Status (8)

Country Link
US (1) US8080160B2 (de)
EP (1) EP1354857B1 (de)
JP (2) JP4157378B2 (de)
CN (1) CN1262482C (de)
CA (1) CA2432899C (de)
DE (1) DE60132919T2 (de)
TW (1) TW536526B (de)
WO (1) WO2002051755A1 (de)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1262482C (zh) * 2000-12-25 2006-07-05 三菱丽阳株式会社 罐壶型净水器及该净水器用净水筒
GB0218318D0 (en) * 2002-08-07 2002-09-11 Strix Ltd Water treatment apparatus
JP4641373B2 (ja) * 2003-01-31 2011-03-02 三菱レイヨン株式会社 浄水カートリッジ及び浄水器
US7429326B2 (en) * 2003-11-26 2008-09-30 Selecto. Inc. Water purification apparatus and system
US7229552B1 (en) * 2003-11-26 2007-06-12 Selecto, Inc. Water purification apparatus and system
US8277654B2 (en) * 2003-11-26 2012-10-02 Selecto, Inc. Water purification apparatus and system
US7438799B2 (en) * 2003-12-03 2008-10-21 Headwaters R & D, Inc. Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants
US8167141B2 (en) 2004-06-30 2012-05-01 Brita Lp Gravity flow filter
WO2006037420A1 (en) * 2004-09-30 2006-04-13 Unilever N.V. Water purification device
FR2886286B1 (fr) * 2005-05-30 2008-06-20 Rime Soc Par Actions Simplifie Element de filtration pour carafe d'eau
GB0612307D0 (en) * 2006-06-22 2006-08-02 Reckitt Benckiser Nv Apparatus and method
USD615150S1 (en) 2007-09-20 2010-05-04 Omnipure Filter Co., Inc. Filter block for liquid filtration
US20080105618A1 (en) * 2006-10-27 2008-05-08 Mesosystems Technology, Inc. Method and apparatus for the removal of harmful contaminants from portable drinking water devices
US8043502B2 (en) * 2007-08-29 2011-10-25 Uv Corporation Water pitcher filter
US20090057241A1 (en) * 2007-08-29 2009-03-05 Phillip Nauta Filter assembly
ITPD20080152A1 (it) 2008-05-27 2009-11-28 Laica Spa Filtro a cartuccia sostituibile per sistemi filtranti e sistema filtrante incorporante detto filtro
DE102008034901A1 (de) * 2008-07-26 2010-01-28 Mahle International Gmbh Moduleinsatz zum Einbau in einen Flüssigkeitsfilter
US20110303618A1 (en) * 2008-10-22 2011-12-15 Glenn Cueman Reusable water filter systems and methods
JP4915820B2 (ja) * 2008-11-14 2012-04-11 パナソニック株式会社 浄水カートリッジおよび浄水器
US8272318B2 (en) * 2008-12-18 2012-09-25 Whirlpool Corporation Liquid flow control and beverage preparation apparatuses, methods and systems
US8128820B2 (en) * 2009-02-25 2012-03-06 Mr. Chiaphua Industries Limited UV liquid storage and dispensing device
US8177966B2 (en) * 2009-02-25 2012-05-15 Mr. Chiaphua Industries Limited UV liquid storage and dispensing device
JP5412921B2 (ja) * 2009-03-31 2014-02-12 東レ株式会社 携帯型浄水装置
WO2010140118A2 (en) * 2009-06-01 2010-12-09 Soda-Club (Co2) Sa Water filter-pitcher
IES20100459A2 (en) * 2009-07-21 2011-03-30 Terraillon Holdings Ltd A water filter jug hopper
JP5066155B2 (ja) * 2009-10-14 2012-11-07 パナソニック株式会社 浄水装置
US9808751B2 (en) * 2010-01-19 2017-11-07 Lg Electronics Inc. Complex filter and water purifier including complex filter
US20140144829A1 (en) * 2010-05-18 2014-05-29 Mitsubishi Rayon Cleansui Company, Limited Gravity-Filtration Water Purifier
CN103080016B (zh) * 2010-08-12 2015-05-27 三菱丽阳可菱水株式会社 净水滤筒
EA026342B1 (ru) * 2010-08-24 2017-03-31 Юнилевер Н.В. Устройство для очистки воды, содержащее гравитационный фильтр
EP2674398A4 (de) * 2011-02-09 2015-04-08 Mitsubishi Rayon Cleansui Co Wasserreinigungspatrone und wasserreiniger mit einem messbecher
RU2555039C2 (ru) * 2011-04-01 2015-07-10 Актиеболагет Электролюкс Фильтр и устройство фильтрования воды, содержащее фильтр
CN103702943A (zh) * 2011-06-10 2014-04-02 三菱丽阳株式会社 净水滤筒以及净水器
RU2596747C2 (ru) * 2011-09-06 2016-09-10 Мицубиси Рейон Ко., Лтд. Картридж для очистки воды и водоочиститель
GB2493033B (en) * 2011-09-12 2013-06-19 Pritchard Ip Ltd A water container
JP5578272B2 (ja) * 2012-01-10 2014-08-27 三菱レイヨン株式会社 浄水カートリッジおよび浄水器
TWI616352B (zh) 2012-03-20 2018-03-01 碧然德有限公司 用於製造液體處理系統之卡匣的方法
US10118113B2 (en) * 2013-12-23 2018-11-06 Bonvi Water, Inc. Water container with floatable filter system and method
DE102012105720A1 (de) * 2012-06-28 2014-01-02 Bwt Ag Filter und Verfahren zur Ultrafiltration
US20150298995A1 (en) * 2012-06-28 2015-10-22 Bwt Ag Filter and method of ultrafiltration
AU2013299772B2 (en) * 2012-08-06 2016-09-22 Cummins Filtration Ip, Inc. Fuel filter for the removal of a soap contaminant from diesel fuel
TWI549734B (zh) * 2012-09-25 2016-09-21 三菱麗陽股份有限公司 淨水濾心、淨水器以及濾材
US9539526B2 (en) * 2012-12-04 2017-01-10 Whirlpool Corporation Filter assembly and systems/methods of dispensing from and storing the filter assembly
US9511315B2 (en) 2012-12-04 2016-12-06 Whirlpool Corporation Water pitcher with filter
JP2014121691A (ja) * 2012-12-21 2014-07-03 Osaka Gas Chem Kk 浄水材、浄水カートリッジ、浄水器、及び浄水材の製造方法
JP5861782B2 (ja) * 2013-06-21 2016-02-16 三菱レイヨン株式会社 浄水カートリッジ及び浄水器
WO2015016245A1 (ja) * 2013-08-01 2015-02-05 三菱レイヨン株式会社 携帯用簡易型浄水器とその浄水カートリッジ
US10604420B2 (en) 2013-12-18 2020-03-31 Brita Lp Method and apparatus for reservoir free and ventless water filtering
US10351442B2 (en) 2013-12-18 2019-07-16 Brita Lp Flow control device for filter as you pour system
US11066311B2 (en) 2013-12-18 2021-07-20 Brita I.P Method of using a filter media for filtration
US10654725B2 (en) 2013-12-18 2020-05-19 Brita Lp Filter assembly for filter as you pour filtration
EP3083505A4 (de) 2013-12-18 2017-07-05 Brita LP Flusssteuerungsvorrichtung für ein ausgussfiltersystem
CN103799812A (zh) * 2013-12-20 2014-05-21 成都佳美嘉科技有限公司 加压助力式净水杯
DE102014101890B4 (de) 2014-02-14 2023-10-12 Bwt Ag Kanne mit einer Vorrichtung zur Wasserenthärtung
US9725333B2 (en) 2014-02-21 2017-08-08 Alijah Christopher Arah Fluid vessel with removable and reversible filtration unit
WO2015138888A2 (en) 2014-03-14 2015-09-17 Protect Plus, Llc Reusable water filter cartridge device
USD772635S1 (en) * 2015-03-07 2016-11-29 Ip Power Holdings Limited Water pitcher
US10144656B2 (en) 2015-08-07 2018-12-04 Kimball & Sons, Inc. Water filtration and purification system and method using activated charcoal and barley straw
JP3200546U (ja) * 2015-08-07 2015-10-22 株式会社イーテック 愛玩動物用浄水具
US10427951B2 (en) 2015-08-20 2019-10-01 Brita Lp Water purification filter and system
CN208865251U (zh) 2015-09-30 2019-05-17 碧然德公司 芯盖、过滤器组件和流体容器
CA3000308C (en) 2015-09-30 2023-05-09 Brita Lp Filter cartridge placement in filter as you pour system
US10765973B2 (en) 2015-09-30 2020-09-08 Brita Lp Filter core configuration
USD805342S1 (en) 2016-03-31 2017-12-19 Whirlpool Corporation Water filtration pitcher
DE102016107485A1 (de) * 2016-04-22 2017-10-26 Poromembrane Gmbh Wasseraufbereitungsvorrichtung
US20180098664A1 (en) * 2016-10-07 2018-04-12 Pure Gravity Filtration Systems, Llc Liquid storage and filtration system
CN109224543A (zh) * 2017-07-11 2019-01-18 佛山市顺德区美的饮水机制造有限公司 滤芯组件和具有其的净水杯
CN109222638B (zh) * 2017-07-11 2024-03-26 佛山市顺德区美的饮水机制造有限公司 净热杯
WO2019209938A1 (en) * 2018-04-24 2019-10-31 University Of Kentucky Research Foundation Development of low-cost activated carbon for removal of vocs and pharmaceuticals from residential drinking water
US11027228B1 (en) * 2018-04-30 2021-06-08 Qingdao Ecopure Filter Co., Ltd. Filtration device and filtration assembly
IT201800005347A1 (it) * 2018-05-14 2019-11-14 Dispositivo filtrante a percolazione
US11872506B2 (en) * 2018-07-07 2024-01-16 Paragon Water Systems, Inc. Water filter cartridge having an air vent
USD1016969S1 (en) 2019-04-24 2024-03-05 Helen Of Troy Limited Filter cartridge
US11596882B2 (en) * 2019-05-28 2023-03-07 Plenty Company, LLC Water pitcher with float and underside filter
CN112279389A (zh) * 2020-09-30 2021-01-29 中国船舶重工集团公司第七一八研究所 一种便携式户外净水滤芯
IT202200000932A1 (it) * 2022-01-20 2023-07-20 Laica Spa Unità di filtraggio a due o più stadi con porzioni di impegno
USD1000188S1 (en) * 2022-06-30 2023-10-03 Phox Water Limited Water jug

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US146590A (en) * 1874-01-20 Adam heinz
US3526001A (en) * 1968-11-26 1970-08-25 Du Pont Permeation separation device for separating fluids and process relating thereto
IT1028736B (it) * 1974-03-14 1979-02-10 Muller J Bottiglia comportante un sistema di messa sotto pressione del suo contenuto
US4308654A (en) * 1979-09-24 1982-01-05 Monsanto Company Methods for assembling permeators
JPS641789Y2 (de) 1981-04-11 1989-01-17
JPS62136293U (de) * 1986-02-20 1987-08-27
JPS641789U (de) * 1987-06-19 1989-01-06
JPH0183491U (de) * 1987-11-16 1989-06-02
JPH0534796Y2 (de) * 1987-11-16 1993-09-02
US4998228A (en) * 1990-02-09 1991-03-05 Douglas R. Eger Drinking water filter
JPH0515993A (ja) 1991-07-09 1993-01-26 Fanuc Ltd レーザ加工における薄ものワークのクランプ装置
JPH0518690U (ja) * 1991-08-13 1993-03-09 三菱レイヨン株式会社 浄水器
JPH05228345A (ja) 1992-02-18 1993-09-07 Material Eng Tech Lab Inc 膜分離素子の作製方法
JPH0884764A (ja) 1994-09-16 1996-04-02 Terumo Corp 白血球除去システム
JPH08294686A (ja) * 1995-04-26 1996-11-12 Tdk Corp 浄水器,浄水板並びに浄水板の製造方法
US5882507A (en) * 1996-04-30 1999-03-16 Recovery Engineering, Inc. Water filter cartridge end-of-life mechanism
US5830360A (en) * 1996-05-02 1998-11-03 Btl Int Llc Pour through and pitcher mounted water filter for removal of parasite cysts, bacteria and viruses and method of filtrating water
US5733448A (en) * 1997-02-26 1998-03-31 Kaura; Kamaljit S. Manually pressurized water filtering container
JP2002500102A (ja) * 1998-01-09 2002-01-08 リカバリー・エンジニアリング・インコーポレーテッド 注入透過式水処理ディスペンサ
DE19819098A1 (de) 1998-04-29 1999-11-11 Brita Gmbh Wasserreinigungsvorrichtung mit Mitteln zur Anzeige der Erschöpfung des Reinigungsmittels
US6139739A (en) 1998-10-08 2000-10-31 Cuno Incorporated Composite filter element
US6405875B1 (en) * 1998-12-18 2002-06-18 Corning Incorporated Water filtration device and method
AU4704800A (en) * 1999-05-06 2000-11-21 Innova/Pure Water Inc Personal water filter bottle system
FR2794378B1 (fr) 1999-06-02 2001-08-24 Seb Sa Cartouche filtrante pour appareil domestique de traitement de l'eau
NL1015384C2 (nl) 2000-06-06 2001-12-10 Prime Water Systems Gmbh Waterfiltratie-inrichting.
US6638426B1 (en) * 2000-07-07 2003-10-28 The Clorox Company Water purifying apparatus
CN1262482C (zh) * 2000-12-25 2006-07-05 三菱丽阳株式会社 罐壶型净水器及该净水器用净水筒
US20040149642A1 (en) * 2002-12-05 2004-08-05 Vandenbelt Rudy A. Filter cartridge for a standlone point of use water purification device
US7438799B2 (en) * 2003-12-03 2008-10-21 Headwaters R & D, Inc. Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants
US7427355B2 (en) * 2004-05-14 2008-09-23 Yiu Chau Chau Water treatment unit for bottle or pitcher
US7670479B2 (en) * 2004-05-24 2010-03-02 PUR Water Purification, Inc. Fluid container having an additive dispensing system
US20060163169A1 (en) * 2004-12-13 2006-07-27 Eckhardt Richard A Methods and apparatus for the treatment of fluids
US20060163148A1 (en) * 2005-01-21 2006-07-27 Hengsperger Steve L Filter housing for a drinking water pitcher
US20060226064A1 (en) * 2005-03-23 2006-10-12 Beckman Robert C Multiple cartridge carafe filtration

Also Published As

Publication number Publication date
JP2008253992A (ja) 2008-10-23
DE60132919D1 (de) 2008-04-03
CN1262482C (zh) 2006-07-05
DE60132919T2 (de) 2009-02-26
TW536526B (en) 2003-06-11
JPWO2002051755A1 (ja) 2004-04-22
WO2002051755A1 (en) 2002-07-04
EP1354857A1 (de) 2003-10-22
US20040060873A1 (en) 2004-04-01
JP4157378B2 (ja) 2008-10-01
EP1354857B1 (de) 2008-02-20
CA2432899A1 (en) 2002-07-04
CN1492839A (zh) 2004-04-28
US8080160B2 (en) 2011-12-20
EP1354857A4 (de) 2004-12-22

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